BUY SN74165N https://www.utsource.net/itm/p/1743036.html
PARALLEL-LOAD 8-BIT SHIFT REGISTERS
Description: The SN74165N is a 4-bit parallel-load synchronous up/down counter with individual up/down control inputs and an overriding asynchronous master reset input. Features: * Synchronous Up/Down Counting * Up/Down Counting Controlled by Separate Inputs * Asynchronous Master Reset * High Speed Counting * Outputs Source/Sink 24 mA Applications: * Frequency Division * Decade Counters * Up/Down Counters * Pulse Generators * Timers (For reference only)